4/29/2008STScI-2008-1522.Compact Galaxies in Early Universe Pack a Big Punch
Imagine receiving an announcement touting the birth of a baby 20 inches long and weighing 180 pounds. After reading this puzzling message, you would immediately... (More)
4/24/2008STScI-2008-1624.Cosmic Collisions Galore!
Astronomy textbooks typically present galaxies as staid, solitary, and majestic island worlds of glittering stars. But galaxies have a dynamical side. They have close encounters that sometimes... (More)
4/10/2008STScI-2008-1725.Hubble Pinpoints Record-Breaking Explosion
Peering across 7.5 billion light-years and halfway back to the Big Bang, NASA's Hubble Space Telescope has photographed the fading optical counterpart of a powerful... (More)
3/19/2008STScI-2008-1127.Hubble Finds First Organic Molecule on an Exoplanet
NASA's Hubble Space Telescope has made the first detection ever of an organic molecule in the atmosphere of a Jupiter-sized planet orbiting another star. This breakthrough... (More)
3/4/2008STScI-2008-1329.The Last Confessions of a Dying Star
Probing a glowing bubble of gas and dust encircling a dying Sun-like star, NASA's Hubble Space Telescope reveals a wealth of previously unseen structures in planetary... (More)
2/5/2008STScI-2008-0733.Isolated Galaxy or Corporate Merger? Hubble Spies NGC 1132
The elliptical galaxy NGC 1132 reveals the final result of what may have been a group of galaxies that merged together in the recent past. Another possibility... (More)
1/23/2008STScI-2008-0634.Internal Heat Drives Jupiter's Giant Storm Eruption
Detailed analysis of two continent-sized storms that erupted in Jupiter's atmosphere in March 2007 shows that Jupiter's internal heat plays a significant role in generating... (More)
1/10/2008STScI-2008-0136.Circumstellar Dust Takes Flight in 'The Moth'
What superficially resembles a giant moth floating in space is giving astronomers new insight into the formation and evolution of planetary systems. This is not your typical... (More)
1/10/2008STScI-2008-0437.Hubble Finds Double Einstein Ring
The Hubble Space Telescope has revealed a never-before-seen optical alignment in space: a pair of glowing rings, one nestled inside the other like a bull's-eye pattern. The double-ring... (More)
12/18/2007STScI-2007-4540.Mars: Closest Approach 2007
NASA's Hubble Space Telescope took this close-up of the red planet Mars when it was just 55 million miles – 88 million kilometers – away. This color image was assembled from a series of exposures... (More)